45811599 has 4 divisors (see below), whose sum is σ = 61082136. Its totient is φ = 30541064.

The previous prime is 45811573. The next prime is 45811609. The reversal of 45811599 is 99511854.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45811599 - 2⁸ = 45811343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45811599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45811529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7635264 + ... + 7635269.

It is an arithmetic number, because the mean of its divisors is an integer number (15270534).

Almost surely, 2^45811599 is an apocalyptic number.

45811599 is a deficient number, since it is larger than the sum of its proper divisors (15270537).

45811599 is a wasteful number, since it uses less digits than its factorization.

45811599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15270536.

The product of its digits is 64800, while the sum is 42.

The square root of 45811599 is about 6768.4266266245. The cubic root of 45811599 is about 357.8149512325.

The spelling of 45811599 in words is "forty-five million, eight hundred eleven thousand, five hundred ninety-nine".